package com.itheima.test4;

public class Test4Innerclass {
    public static void main(String[] args) {
        Outer o = new Outer();
        o.method();
    }
}
class Outer{
    int a = 10;
    public void method(){
        int b = 20;
        class Inner{
            public void show(){
                System.out.println("show...");
                System.out.println(a);
                System.out.println(b);
            }
        }
        Inner i = new Inner();
        i.show();
    }
}
